The invention discloses a miniLED backlight source for a cosmetic mirror of an automobile sun shield, and the backlight source comprises a processing module which is used for processing the received image information, and obtaining the brightness information of a to-be-displayed frame image; a plurality of mini LED chips used for providing display backlight are arranged on the backlight lamp panel; the backlight adjusting module is used for determining a display backlight adjusting strategy for the plurality of mini LED chips according to the irradiation light information when the frame image to be displayed is obtained and the brightness information of the frame image to be displayed; and the driving control module is used for controlling the plurality of mini LED chips to display backlight according to the reference control signal of the frame image to be displayed, generating an adjustment control signal according to a display backlight adjustment strategy, and adjusting the display backlight of the plurality of mini LED chips according to the adjustment control signal. Backlight of a dynamic image can be controlled in real time, the contrast ratio is enhanced, the display definition and authenticity are guaranteed, and the visual feeling of using the cosmetic mirror is improved.

    本发明公开了一种汽车遮阳板化妆镜miniLED背光源,包括:处理模块,用于对接收到的图像信息进行处理,获得待显示帧图像的明暗信息;背光灯板,其上设有用于提供显示背光的多个miniLED芯片;背光调节模块,用于依据获取待显示帧图像时的照射光信息和待显示帧图像的明暗信息,确定对多个miniLED芯片的显示背光调节策略;驱动控制模块,用于依据待显示帧图像的参考控制信号控制多个miniLED芯片显示背光,依据显示背光调节策略生成调节控制信号,依据调节控制信号对多个miniLED芯片的显示背光进行调节。能够实时控制动态图像的背光,增强对比度,保证显示的清晰度和真实性,提升使用化妆镜的视觉感受。


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    Title :

    Automobile sun shield cosmetic mirror mini LED backlight source


    Additional title:

    一种汽车遮阳板化妆镜miniLED背光源


    Contributors:
    CAO JUNWEI (author) / LIU ZIPING (author) / FENG CHAO (author) / FANG HUI (author) / NI FENG (author) / WU GUANG (author)

    Publication date :

    2024-07-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / H05B ELECTRIC HEATING , Elektrische Heizung



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